1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    *
5    *
6    *
7    * The contents of this file are subject to the terms of the Liferay Enterprise
8    * Subscription License ("License"). You may not use this file except in
9    * compliance with the License. You can obtain a copy of the License by
10   * contacting Liferay, Inc. See the License for the specific language governing
11   * permissions and limitations under the License, including but not limited to
12   * distribution rights of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20   * SOFTWARE.
21   */
22  
23  package com.liferay.portal.webdav.methods;
24  
25  import com.liferay.portal.kernel.log.Log;
26  import com.liferay.portal.kernel.log.LogFactoryUtil;
27  import com.liferay.portal.webdav.Resource;
28  import com.liferay.portal.webdav.WebDAVException;
29  import com.liferay.portal.webdav.WebDAVRequest;
30  import com.liferay.portal.webdav.WebDAVStorage;
31  import com.liferay.util.servlet.ServletResponseUtil;
32  
33  import java.io.InputStream;
34  
35  import javax.servlet.http.HttpServletResponse;
36  
37  /**
38   * <a href="GetMethodImpl.java.html"><b><i>View Source</i></b></a>
39   *
40   * @author Brian Wing Shun Chan
41   * @author Alexander Chow
42   */
43  public class GetMethodImpl implements Method {
44  
45      public int process(WebDAVRequest webDavRequest) throws WebDAVException {
46          InputStream is = null;
47  
48          try {
49              WebDAVStorage storage = webDavRequest.getWebDAVStorage();
50              HttpServletResponse response =
51                  webDavRequest.getHttpServletResponse();
52  
53              Resource resource = storage.getResource(webDavRequest);
54  
55              if (resource != null) {
56                  try {
57                      is = resource.getContentAsStream();
58                  }
59                  catch (Exception e) {
60                      if (_log.isWarnEnabled()) {
61                          _log.warn(e.getMessage());
62                      }
63                  }
64              }
65  
66              int status = HttpServletResponse.SC_NOT_FOUND;
67  
68              if (is != null) {
69                  try {
70                      ServletResponseUtil.write(response, is);
71                  }
72                  catch (Exception e) {
73                      if (_log.isWarnEnabled()) {
74                          _log.warn(e);
75                      }
76                  }
77  
78                  status = HttpServletResponse.SC_OK;
79              }
80  
81              return status;
82          }
83          catch (Exception e) {
84              throw new WebDAVException(e);
85          }
86          finally {
87              ServletResponseUtil.cleanUp(is);
88          }
89      }
90  
91      private static Log _log = LogFactoryUtil.getLog(GetMethodImpl.class);
92  
93  }